494989965 has 24 divisors (see below), whose sum is σ = 867629880. Its totient is φ = 261026304.

The previous prime is 494989939. The next prime is 494990011. The reversal of 494989965 is 569989494.

494989965 is a `hidden beast` number, since 494 + 9 + 89 + 9 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5076009 + 489913956 = 2253^2 + 22134^2 .

It is not a de Polignac number, because 494989965 - 2⁸ = 494989709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57792 + ... + 65801.

It is an arithmetic number, because the mean of its divisors is an integer number (36151245).

Almost surely, 2^494989965 is an apocalyptic number.

494989965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494989965 is a deficient number, since it is larger than the sum of its proper divisors (372639915).

494989965 is a wasteful number, since it uses less digits than its factorization.

494989965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123693 (or 123690 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The square root of 494989965 is about 22248.3699402900. The cubic root of 494989965 is about 791.0406437572.

The spelling of 494989965 in words is "four hundred ninety-four million, nine hundred eighty-nine thousand, nine hundred sixty-five".